Home / 3,549.80-4,895.30-2,291.24

Finding the Fourth Proportional to 3,549.80, 4,895.30 and 2,291.24

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Solution

The fourth proportional to 3,549.80, 4,895.30 and 2,291.24 is: 3,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.80 : 4,895.30 = 2,291.24 : x
  2. Step 2: Convert to fraction form
    3,549.80/4,895.30 = 2,291.24/x
  3. Step 3: Cross multiply
    3,549.80x = 4,895.30 × 2,291.24
  4. Step 4: Simplify right side
    3,549.80x = 11,216,307.17
  5. Step 5: Solve for x
    x = 11,216,307.17/3,549.80
  6. Step 6: Final answer
    x = 3,159.70

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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.