Home / 4,071.10-6,106.65-1,149.40

Finding the Fourth Proportional to 4,071.10, 6,106.65 and 1,149.40

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Solution

The fourth proportional to 4,071.10, 6,106.65 and 1,149.40 is: 1,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.10 : 6,106.65 = 1,149.40 : x
  2. Step 2: Convert to fraction form
    4,071.10/6,106.65 = 1,149.40/x
  3. Step 3: Cross multiply
    4,071.10x = 6,106.65 × 1,149.40
  4. Step 4: Simplify right side
    4,071.10x = 7,018,983.51
  5. Step 5: Solve for x
    x = 7,018,983.51/4,071.10
  6. Step 6: Final answer
    x = 1,724.10

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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.