Home / 7,475.92-10,316.64-4,332.40

Finding the Fourth Proportional to 7,475.92, 10,316.64 and 4,332.40

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Solution

The fourth proportional to 7,475.92, 10,316.64 and 4,332.40 is: 5,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.92 : 10,316.64 = 4,332.40 : x
  2. Step 2: Convert to fraction form
    7,475.92/10,316.64 = 4,332.40/x
  3. Step 3: Cross multiply
    7,475.92x = 10,316.64 × 4,332.40
  4. Step 4: Simplify right side
    7,475.92x = 44,695,811.14
  5. Step 5: Solve for x
    x = 44,695,811.14/7,475.92
  6. Step 6: Final answer
    x = 5,978.64

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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.