Home / 4,030.68-6,045.28-1,690.06

Finding the Fourth Proportional to 4,030.68, 6,045.28 and 1,690.06

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Solution

The fourth proportional to 4,030.68, 6,045.28 and 1,690.06 is: 2,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.68 : 6,045.28 = 1,690.06 : x
  2. Step 2: Convert to fraction form
    4,030.68/6,045.28 = 1,690.06/x
  3. Step 3: Cross multiply
    4,030.68x = 6,045.28 × 1,690.06
  4. Step 4: Simplify right side
    4,030.68x = 10,216,885.92
  5. Step 5: Solve for x
    x = 10,216,885.92/4,030.68
  6. Step 6: Final answer
    x = 2,534.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.