Home / 7,575.08-10,449.30-4,549.40

Finding the Fourth Proportional to 7,575.08, 10,449.30 and 4,549.40

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Solution

The fourth proportional to 7,575.08, 10,449.30 and 4,549.40 is: 6,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.08 : 10,449.30 = 4,549.40 : x
  2. Step 2: Convert to fraction form
    7,575.08/10,449.30 = 4,549.40/x
  3. Step 3: Cross multiply
    7,575.08x = 10,449.30 × 4,549.40
  4. Step 4: Simplify right side
    7,575.08x = 47,538,045.42
  5. Step 5: Solve for x
    x = 47,538,045.42/7,575.08
  6. Step 6: Final answer
    x = 6,275.58

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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.