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Finding the Fourth Proportional to 1,703.34, 2,350.02 and 957.18

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Solution

The fourth proportional to 1,703.34, 2,350.02 and 957.18 is: 1,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.34 : 2,350.02 = 957.18 : x
  2. Step 2: Convert to fraction form
    1,703.34/2,350.02 = 957.18/x
  3. Step 3: Cross multiply
    1,703.34x = 2,350.02 × 957.18
  4. Step 4: Simplify right side
    1,703.34x = 2,249,392.14
  5. Step 5: Solve for x
    x = 2,249,392.14/1,703.34
  6. Step 6: Final answer
    x = 1,320.58

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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.