Home / 3,035.51-4,188.98-1,709.22

Finding the Fourth Proportional to 3,035.51, 4,188.98 and 1,709.22

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Solution

The fourth proportional to 3,035.51, 4,188.98 and 1,709.22 is: 2,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.51 : 4,188.98 = 1,709.22 : x
  2. Step 2: Convert to fraction form
    3,035.51/4,188.98 = 1,709.22/x
  3. Step 3: Cross multiply
    3,035.51x = 4,188.98 × 1,709.22
  4. Step 4: Simplify right side
    3,035.51x = 7,159,892.67
  5. Step 5: Solve for x
    x = 7,159,892.67/3,035.51
  6. Step 6: Final answer
    x = 2,358.72

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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.