Home / 4,461.68-6,154.32-2,870.40

Finding the Fourth Proportional to 4,461.68, 6,154.32 and 2,870.40

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Solution

The fourth proportional to 4,461.68, 6,154.32 and 2,870.40 is: 3,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.68 : 6,154.32 = 2,870.40 : x
  2. Step 2: Convert to fraction form
    4,461.68/6,154.32 = 2,870.40/x
  3. Step 3: Cross multiply
    4,461.68x = 6,154.32 × 2,870.40
  4. Step 4: Simplify right side
    4,461.68x = 17,665,315.00
  5. Step 5: Solve for x
    x = 17,665,315.00/4,461.68
  6. Step 6: Final answer
    x = 3,959.35

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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.