Home / 7,718.08-10,649.60-4,575.04

Finding the Fourth Proportional to 7,718.08, 10,649.60 and 4,575.04

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Solution

The fourth proportional to 7,718.08, 10,649.60 and 4,575.04 is: 6,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.08 : 10,649.60 = 4,575.04 : x
  2. Step 2: Convert to fraction form
    7,718.08/10,649.60 = 4,575.04/x
  3. Step 3: Cross multiply
    7,718.08x = 10,649.60 × 4,575.04
  4. Step 4: Simplify right side
    7,718.08x = 48,722,345.98
  5. Step 5: Solve for x
    x = 48,722,345.98/7,718.08
  6. Step 6: Final answer
    x = 6,312.75

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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.