Home / 1,841.78-2,541.51-1,045.11

Finding the Fourth Proportional to 1,841.78, 2,541.51 and 1,045.11

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Solution

The fourth proportional to 1,841.78, 2,541.51 and 1,045.11 is: 1,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.78 : 2,541.51 = 1,045.11 : x
  2. Step 2: Convert to fraction form
    1,841.78/2,541.51 = 1,045.11/x
  3. Step 3: Cross multiply
    1,841.78x = 2,541.51 × 1,045.11
  4. Step 4: Simplify right side
    1,841.78x = 2,656,157.52
  5. Step 5: Solve for x
    x = 2,656,157.52/1,841.78
  6. Step 6: Final answer
    x = 1,442.17

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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.