Home / 7,551.39-10,426.13-4,720.04

Finding the Fourth Proportional to 7,551.39, 10,426.13 and 4,720.04

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Solution

The fourth proportional to 7,551.39, 10,426.13 and 4,720.04 is: 6,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.39 : 10,426.13 = 4,720.04 : x
  2. Step 2: Convert to fraction form
    7,551.39/10,426.13 = 4,720.04/x
  3. Step 3: Cross multiply
    7,551.39x = 10,426.13 × 4,720.04
  4. Step 4: Simplify right side
    7,551.39x = 49,211,731.71
  5. Step 5: Solve for x
    x = 49,211,731.71/7,551.39
  6. Step 6: Final answer
    x = 6,516.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.