Home / 5,298.68-7,312.20-3,309.26

Finding the Fourth Proportional to 5,298.68, 7,312.20 and 3,309.26

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Solution

The fourth proportional to 5,298.68, 7,312.20 and 3,309.26 is: 4,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.68 : 7,312.20 = 3,309.26 : x
  2. Step 2: Convert to fraction form
    5,298.68/7,312.20 = 3,309.26/x
  3. Step 3: Cross multiply
    5,298.68x = 7,312.20 × 3,309.26
  4. Step 4: Simplify right side
    5,298.68x = 24,197,970.97
  5. Step 5: Solve for x
    x = 24,197,970.97/5,298.68
  6. Step 6: Final answer
    x = 4,566.79

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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.