Home / 5,549.02-7,657.40-3,031.08

Finding the Fourth Proportional to 5,549.02, 7,657.40 and 3,031.08

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Solution

The fourth proportional to 5,549.02, 7,657.40 and 3,031.08 is: 4,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.02 : 7,657.40 = 3,031.08 : x
  2. Step 2: Convert to fraction form
    5,549.02/7,657.40 = 3,031.08/x
  3. Step 3: Cross multiply
    5,549.02x = 7,657.40 × 3,031.08
  4. Step 4: Simplify right side
    5,549.02x = 23,210,191.99
  5. Step 5: Solve for x
    x = 23,210,191.99/5,549.02
  6. Step 6: Final answer
    x = 4,182.76

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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.