Home / 7,565.10-10,440.80-4,581.06

Finding the Fourth Proportional to 7,565.10, 10,440.80 and 4,581.06

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Solution

The fourth proportional to 7,565.10, 10,440.80 and 4,581.06 is: 6,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.10 : 10,440.80 = 4,581.06 : x
  2. Step 2: Convert to fraction form
    7,565.10/10,440.80 = 4,581.06/x
  3. Step 3: Cross multiply
    7,565.10x = 10,440.80 × 4,581.06
  4. Step 4: Simplify right side
    7,565.10x = 47,829,931.25
  5. Step 5: Solve for x
    x = 47,829,931.25/7,565.10
  6. Step 6: Final answer
    x = 6,322.45

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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.