Home / 2,900.48-4,351.20-2,853.76

Finding the Fourth Proportional to 2,900.48, 4,351.20 and 2,853.76

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Solution

The fourth proportional to 2,900.48, 4,351.20 and 2,853.76 is: 4,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.48 : 4,351.20 = 2,853.76 : x
  2. Step 2: Convert to fraction form
    2,900.48/4,351.20 = 2,853.76/x
  3. Step 3: Cross multiply
    2,900.48x = 4,351.20 × 2,853.76
  4. Step 4: Simplify right side
    2,900.48x = 12,417,280.51
  5. Step 5: Solve for x
    x = 12,417,280.51/2,900.48
  6. Step 6: Final answer
    x = 4,281.11

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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.