Home / 1,547.55-2,133.19-1,173.03

Finding the Fourth Proportional to 1,547.55, 2,133.19 and 1,173.03

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Solution

The fourth proportional to 1,547.55, 2,133.19 and 1,173.03 is: 1,616.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.55 : 2,133.19 = 1,173.03 : x
  2. Step 2: Convert to fraction form
    1,547.55/2,133.19 = 1,173.03/x
  3. Step 3: Cross multiply
    1,547.55x = 2,133.19 × 1,173.03
  4. Step 4: Simplify right side
    1,547.55x = 2,502,295.87
  5. Step 5: Solve for x
    x = 2,502,295.87/1,547.55
  6. Step 6: Final answer
    x = 1,616.94

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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.