Home / 2,948.24-4,423.01-973.79

Finding the Fourth Proportional to 2,948.24, 4,423.01 and 973.79

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Solution

The fourth proportional to 2,948.24, 4,423.01 and 973.79 is: 1,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.24 : 4,423.01 = 973.79 : x
  2. Step 2: Convert to fraction form
    2,948.24/4,423.01 = 973.79/x
  3. Step 3: Cross multiply
    2,948.24x = 4,423.01 × 973.79
  4. Step 4: Simplify right side
    2,948.24x = 4,307,055.92
  5. Step 5: Solve for x
    x = 4,307,055.92/2,948.24
  6. Step 6: Final answer
    x = 1,460.89

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.