Home / 4,547.18-6,820.78-3,082.70

Finding the Fourth Proportional to 4,547.18, 6,820.78 and 3,082.70

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Solution

The fourth proportional to 4,547.18, 6,820.78 and 3,082.70 is: 4,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.18 : 6,820.78 = 3,082.70 : x
  2. Step 2: Convert to fraction form
    4,547.18/6,820.78 = 3,082.70/x
  3. Step 3: Cross multiply
    4,547.18x = 6,820.78 × 3,082.70
  4. Step 4: Simplify right side
    4,547.18x = 21,026,418.51
  5. Step 5: Solve for x
    x = 21,026,418.51/4,547.18
  6. Step 6: Final answer
    x = 4,624.06

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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.