Home / 4,970.08-6,859.02-2,874.34

Finding the Fourth Proportional to 4,970.08, 6,859.02 and 2,874.34

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Solution

The fourth proportional to 4,970.08, 6,859.02 and 2,874.34 is: 3,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.08 : 6,859.02 = 2,874.34 : x
  2. Step 2: Convert to fraction form
    4,970.08/6,859.02 = 2,874.34/x
  3. Step 3: Cross multiply
    4,970.08x = 6,859.02 × 2,874.34
  4. Step 4: Simplify right side
    4,970.08x = 19,715,155.55
  5. Step 5: Solve for x
    x = 19,715,155.55/4,970.08
  6. Step 6: Final answer
    x = 3,966.77

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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.