Home / 1,547.18-2,316.58-1,133.18

Finding the Fourth Proportional to 1,547.18, 2,316.58 and 1,133.18

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Solution

The fourth proportional to 1,547.18, 2,316.58 and 1,133.18 is: 1,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.18 : 2,316.58 = 1,133.18 : x
  2. Step 2: Convert to fraction form
    1,547.18/2,316.58 = 1,133.18/x
  3. Step 3: Cross multiply
    1,547.18x = 2,316.58 × 1,133.18
  4. Step 4: Simplify right side
    1,547.18x = 2,625,102.12
  5. Step 5: Solve for x
    x = 2,625,102.12/1,547.18
  6. Step 6: Final answer
    x = 1,696.70

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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.