Home / 4,889.12-7,332.16-1,601.48

Finding the Fourth Proportional to 4,889.12, 7,332.16 and 1,601.48

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Solution

The fourth proportional to 4,889.12, 7,332.16 and 1,601.48 is: 2,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.12 : 7,332.16 = 1,601.48 : x
  2. Step 2: Convert to fraction form
    4,889.12/7,332.16 = 1,601.48/x
  3. Step 3: Cross multiply
    4,889.12x = 7,332.16 × 1,601.48
  4. Step 4: Simplify right side
    4,889.12x = 11,742,307.60
  5. Step 5: Solve for x
    x = 11,742,307.60/4,889.12
  6. Step 6: Final answer
    x = 2,401.72

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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.