Home / 5,022.63-6,931.11-2,898.16

Finding the Fourth Proportional to 5,022.63, 6,931.11 and 2,898.16

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Solution

The fourth proportional to 5,022.63, 6,931.11 and 2,898.16 is: 3,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.63 : 6,931.11 = 2,898.16 : x
  2. Step 2: Convert to fraction form
    5,022.63/6,931.11 = 2,898.16/x
  3. Step 3: Cross multiply
    5,022.63x = 6,931.11 × 2,898.16
  4. Step 4: Simplify right side
    5,022.63x = 20,087,465.76
  5. Step 5: Solve for x
    x = 20,087,465.76/5,022.63
  6. Step 6: Final answer
    x = 3,999.39

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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.