Home / 1,747.58-2,409.70-1,348.34

Finding the Fourth Proportional to 1,747.58, 2,409.70 and 1,348.34

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Solution

The fourth proportional to 1,747.58, 2,409.70 and 1,348.34 is: 1,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.58 : 2,409.70 = 1,348.34 : x
  2. Step 2: Convert to fraction form
    1,747.58/2,409.70 = 1,348.34/x
  3. Step 3: Cross multiply
    1,747.58x = 2,409.70 × 1,348.34
  4. Step 4: Simplify right side
    1,747.58x = 3,249,085.50
  5. Step 5: Solve for x
    x = 3,249,085.50/1,747.58
  6. Step 6: Final answer
    x = 1,859.19

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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.