Home / 5,298.79-7,312.67-3,060.76

Finding the Fourth Proportional to 5,298.79, 7,312.67 and 3,060.76

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Solution

The fourth proportional to 5,298.79, 7,312.67 and 3,060.76 is: 4,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.79 : 7,312.67 = 3,060.76 : x
  2. Step 2: Convert to fraction form
    5,298.79/7,312.67 = 3,060.76/x
  3. Step 3: Cross multiply
    5,298.79x = 7,312.67 × 3,060.76
  4. Step 4: Simplify right side
    5,298.79x = 22,382,317.20
  5. Step 5: Solve for x
    x = 22,382,317.20/5,298.79
  6. Step 6: Final answer
    x = 4,224.05

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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.