Home / 5,705.02-8,559.65-3,488.40

Finding the Fourth Proportional to 5,705.02, 8,559.65 and 3,488.40

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Solution

The fourth proportional to 5,705.02, 8,559.65 and 3,488.40 is: 5,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.02 : 8,559.65 = 3,488.40 : x
  2. Step 2: Convert to fraction form
    5,705.02/8,559.65 = 3,488.40/x
  3. Step 3: Cross multiply
    5,705.02x = 8,559.65 × 3,488.40
  4. Step 4: Simplify right side
    5,705.02x = 29,859,483.06
  5. Step 5: Solve for x
    x = 29,859,483.06/5,705.02
  6. Step 6: Final answer
    x = 5,233.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.