Home / 5,705.24-7,870.98-3,347.24

Finding the Fourth Proportional to 5,705.24, 7,870.98 and 3,347.24

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Solution

The fourth proportional to 5,705.24, 7,870.98 and 3,347.24 is: 4,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.24 : 7,870.98 = 3,347.24 : x
  2. Step 2: Convert to fraction form
    5,705.24/7,870.98 = 3,347.24/x
  3. Step 3: Cross multiply
    5,705.24x = 7,870.98 × 3,347.24
  4. Step 4: Simplify right side
    5,705.24x = 26,346,059.10
  5. Step 5: Solve for x
    x = 26,346,059.10/5,705.24
  6. Step 6: Final answer
    x = 4,617.87

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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.