Home / 2,971.18-4,100.34-1,712.26

Finding the Fourth Proportional to 2,971.18, 4,100.34 and 1,712.26

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Solution

The fourth proportional to 2,971.18, 4,100.34 and 1,712.26 is: 2,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.18 : 4,100.34 = 1,712.26 : x
  2. Step 2: Convert to fraction form
    2,971.18/4,100.34 = 1,712.26/x
  3. Step 3: Cross multiply
    2,971.18x = 4,100.34 × 1,712.26
  4. Step 4: Simplify right side
    2,971.18x = 7,020,848.17
  5. Step 5: Solve for x
    x = 7,020,848.17/2,971.18
  6. Step 6: Final answer
    x = 2,362.98

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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.