Home / 5,041.55-6,956.83-2,803.20

Finding the Fourth Proportional to 5,041.55, 6,956.83 and 2,803.20

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Solution

The fourth proportional to 5,041.55, 6,956.83 and 2,803.20 is: 3,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.55 : 6,956.83 = 2,803.20 : x
  2. Step 2: Convert to fraction form
    5,041.55/6,956.83 = 2,803.20/x
  3. Step 3: Cross multiply
    5,041.55x = 6,956.83 × 2,803.20
  4. Step 4: Simplify right side
    5,041.55x = 19,501,385.86
  5. Step 5: Solve for x
    x = 19,501,385.86/5,041.55
  6. Step 6: Final answer
    x = 3,868.13

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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.