Home / 5,070.56-6,993.96-3,079.76

Finding the Fourth Proportional to 5,070.56, 6,993.96 and 3,079.76

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Solution

The fourth proportional to 5,070.56, 6,993.96 and 3,079.76 is: 4,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.56 : 6,993.96 = 3,079.76 : x
  2. Step 2: Convert to fraction form
    5,070.56/6,993.96 = 3,079.76/x
  3. Step 3: Cross multiply
    5,070.56x = 6,993.96 × 3,079.76
  4. Step 4: Simplify right side
    5,070.56x = 21,539,718.25
  5. Step 5: Solve for x
    x = 21,539,718.25/5,070.56
  6. Step 6: Final answer
    x = 4,248.00

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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.