Home / 3,401.09-4,693.98-1,888.99

Finding the Fourth Proportional to 3,401.09, 4,693.98 and 1,888.99

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Solution

The fourth proportional to 3,401.09, 4,693.98 and 1,888.99 is: 2,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.09 : 4,693.98 = 1,888.99 : x
  2. Step 2: Convert to fraction form
    3,401.09/4,693.98 = 1,888.99/x
  3. Step 3: Cross multiply
    3,401.09x = 4,693.98 × 1,888.99
  4. Step 4: Simplify right side
    3,401.09x = 8,866,881.28
  5. Step 5: Solve for x
    x = 8,866,881.28/3,401.09
  6. Step 6: Final answer
    x = 2,607.07

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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.