Home / 2,907.48-4,012.23-1,712.58

Finding the Fourth Proportional to 2,907.48, 4,012.23 and 1,712.58

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Solution

The fourth proportional to 2,907.48, 4,012.23 and 1,712.58 is: 2,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.48 : 4,012.23 = 1,712.58 : x
  2. Step 2: Convert to fraction form
    2,907.48/4,012.23 = 1,712.58/x
  3. Step 3: Cross multiply
    2,907.48x = 4,012.23 × 1,712.58
  4. Step 4: Simplify right side
    2,907.48x = 6,871,264.85
  5. Step 5: Solve for x
    x = 6,871,264.85/2,907.48
  6. Step 6: Final answer
    x = 2,363.31

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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.